21576870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1181}}^1$

素因数の和:1230

約数の個数: 96

約数和(自身を含む): 66381120

約数和(自身を除く): 44804250

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 42, 45, 58, 63, 70, 87, 90, 105, 126, 145, 174, 203, 210, 261, 290, 315, 406, 435, 522, 609, 630, 870, 1015, 1181, 1218, 1305, 1827, 2030, 2362, 2610, 3045, 3543, 3654, 5905, 6090, 7086, 8267, 9135, 10629, 11810, 16534, 17715, 18270, 21258, 24801, 34249, 35430, 41335, 49602, 53145, 68498, 74403, 82670, 102747, 106290, 124005, 148806, 171245, 205494, 239743, 248010, 308241, 342490, 372015, 479486, 513735, 616482, 719229, 744030, 1027470, 1198715, 1438458, 1541205, 2157687, 2397430, 3082410, 3596145, 4315374, 7192290, 10788435, 21576870]

約数ペア:

[(1, 21576870), (2, 10788435), (3, 7192290), (5, 4315374), (6, 3596145), (7, 3082410), (9, 2397430), (10, 2157687), (14, 1541205), (15, 1438458), (18, 1198715), (21, 1027470), (29, 744030), (30, 719229), (35, 616482), (42, 513735), (45, 479486), (58, 372015), (63, 342490), (70, 308241), (87, 248010), (90, 239743), (105, 205494), (126, 171245), (145, 148806), (174, 124005), (203, 106290), (210, 102747), (261, 82670), (290, 74403), (315, 68498), (406, 53145), (435, 49602), (522, 41335), (609, 35430), (630, 34249), (870, 24801), (1015, 21258), (1181, 18270), (1218, 17715), (1305, 16534), (1827, 11810), (2030, 10629), (2362, 9135), (2610, 8267), (3045, 7086), (3543, 6090), (3654, 5905)]