21391236

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:282

約数の個数: 96

約数和(自身を含む): 59996160

約数和(自身を除く): 38604924

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 61, 68, 102, 108, 122, 153, 183, 191, 204, 244, 306, 366, 382, 459, 549, 573, 612, 732, 764, 918, 1037, 1098, 1146, 1647, 1719, 1836, 2074, 2196, 2292, 3111, 3247, 3294, 3438, 4148, 5157, 6222, 6494, 6588, 6876, 9333, 9741, 10314, 11651, 12444, 12988, 18666, 19482, 20628, 23302, 27999, 29223, 34953, 37332, 38964, 46604, 55998, 58446, 69906, 87669, 104859, 111996, 116892, 139812, 175338, 198067, 209718, 314577, 350676, 396134, 419436, 594201, 629154, 792268, 1188402, 1258308, 1782603, 2376804, 3565206, 5347809, 7130412, 10695618, 21391236]

約数ペア:

[(1, 21391236), (2, 10695618), (3, 7130412), (4, 5347809), (6, 3565206), (9, 2376804), (12, 1782603), (17, 1258308), (18, 1188402), (27, 792268), (34, 629154), (36, 594201), (51, 419436), (54, 396134), (61, 350676), (68, 314577), (102, 209718), (108, 198067), (122, 175338), (153, 139812), (183, 116892), (191, 111996), (204, 104859), (244, 87669), (306, 69906), (366, 58446), (382, 55998), (459, 46604), (549, 38964), (573, 37332), (612, 34953), (732, 29223), (764, 27999), (918, 23302), (1037, 20628), (1098, 19482), (1146, 18666), (1647, 12988), (1719, 12444), (1836, 11651), (2074, 10314), (2196, 9741), (2292, 9333), (3111, 6876), (3247, 6588), (3294, 6494), (3438, 6222), (4148, 5157)]