21211164

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:827

約数の個数: 72

約数和(自身を含む): 58767072

約数和(自身を除く): 37555908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 61, 78, 117, 122, 156, 183, 234, 244, 366, 468, 549, 732, 743, 793, 1098, 1486, 1586, 2196, 2229, 2379, 2972, 3172, 4458, 4758, 6687, 7137, 8916, 9516, 9659, 13374, 14274, 19318, 26748, 28548, 28977, 38636, 45323, 57954, 86931, 90646, 115908, 135969, 173862, 181292, 271938, 347724, 407907, 543876, 589199, 815814, 1178398, 1631628, 1767597, 2356796, 3535194, 5302791, 7070388, 10605582, 21211164]

約数ペア:

[(1, 21211164), (2, 10605582), (3, 7070388), (4, 5302791), (6, 3535194), (9, 2356796), (12, 1767597), (13, 1631628), (18, 1178398), (26, 815814), (36, 589199), (39, 543876), (52, 407907), (61, 347724), (78, 271938), (117, 181292), (122, 173862), (156, 135969), (183, 115908), (234, 90646), (244, 86931), (366, 57954), (468, 45323), (549, 38636), (732, 28977), (743, 28548), (793, 26748), (1098, 19318), (1486, 14274), (1586, 13374), (2196, 9659), (2229, 9516), (2379, 8916), (2972, 7137), (3172, 6687), (4458, 4758)]