21975030

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1$

素因数の和:192

約数の個数: 192

約数和(自身を含む): 74856960

約数和(自身を除く): 52881930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 49, 54, 55, 63, 66, 70, 77, 90, 98, 99, 105, 110, 126, 135, 147, 151, 154, 165, 189, 198, 210, 231, 245, 270, 294, 297, 302, 315, 330, 378, 385, 441, 453, 462, 490, 495, 539, 594, 630, 693, 735, 755, 770, 882, 906, 945, 990, 1057, 1078, 1155, 1323, 1359, 1386, 1470, 1485, 1510, 1617, 1661, 1890, 2079, 2114, 2205, 2265, 2310, 2646, 2695, 2718, 2970, 3171, 3234, 3322, 3465, 4077, 4158, 4410, 4530, 4851, 4983, 5285, 5390, 6342, 6615, 6795, 6930, 7399, 8085, 8154, 8305, 9513, 9702, 9966, 10395, 10570, 11627, 13230, 13590, 14553, 14798, 14949, 15855, 16170, 16610, 19026, 20385, 20790, 22197, 23254, 24255, 24915, 28539, 29106, 29898, 31710, 34881, 36995, 40770, 44394, 44847, 47565, 48510, 49830, 57078, 58135, 66591, 69762, 72765, 73990, 74745, 81389, 89694, 95130, 104643, 110985, 116270, 133182, 142695, 145530, 149490, 162778, 174405, 199773, 209286, 221970, 224235, 244167, 285390, 313929, 332955, 348810, 399546, 406945, 448470, 488334, 523215, 627858, 665910, 732501, 813890, 998865, 1046430, 1220835, 1465002, 1569645, 1997730, 2197503, 2441670, 3139290, 3662505, 4395006, 7325010, 10987515, 21975030]

約数ペア:

[(1, 21975030), (2, 10987515), (3, 7325010), (5, 4395006), (6, 3662505), (7, 3139290), (9, 2441670), (10, 2197503), (11, 1997730), (14, 1569645), (15, 1465002), (18, 1220835), (21, 1046430), (22, 998865), (27, 813890), (30, 732501), (33, 665910), (35, 627858), (42, 523215), (45, 488334), (49, 448470), (54, 406945), (55, 399546), (63, 348810), (66, 332955), (70, 313929), (77, 285390), (90, 244167), (98, 224235), (99, 221970), (105, 209286), (110, 199773), (126, 174405), (135, 162778), (147, 149490), (151, 145530), (154, 142695), (165, 133182), (189, 116270), (198, 110985), (210, 104643), (231, 95130), (245, 89694), (270, 81389), (294, 74745), (297, 73990), (302, 72765), (315, 69762), (330, 66591), (378, 58135), (385, 57078), (441, 49830), (453, 48510), (462, 47565), (490, 44847), (495, 44394), (539, 40770), (594, 36995), (630, 34881), (693, 31710), (735, 29898), (755, 29106), (770, 28539), (882, 24915), (906, 24255), (945, 23254), (990, 22197), (1057, 20790), (1078, 20385), (1155, 19026), (1323, 16610), (1359, 16170), (1386, 15855), (1470, 14949), (1485, 14798), (1510, 14553), (1617, 13590), (1661, 13230), (1890, 11627), (2079, 10570), (2114, 10395), (2205, 9966), (2265, 9702), (2310, 9513), (2646, 8305), (2695, 8154), (2718, 8085), (2970, 7399), (3171, 6930), (3234, 6795), (3322, 6615), (3465, 6342), (4077, 5390), (4158, 5285), (4410, 4983), (4530, 4851)]