21228314292

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{127663}}^1$

素因数の和:127853

約数の個数: 72

約数和(自身を含む): 55763635200

約数和(自身を除く): 34535320908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 149, 186, 279, 298, 372, 447, 558, 596, 894, 1116, 1341, 1788, 2682, 4619, 5364, 9238, 13857, 18476, 27714, 41571, 55428, 83142, 127663, 166284, 255326, 382989, 510652, 765978, 1148967, 1531956, 2297934, 3957553, 4595868, 7915106, 11872659, 15830212, 19021787, 23745318, 35617977, 38043574, 47490636, 57065361, 71235954, 76087148, 114130722, 142471908, 171196083, 228261444, 342392166, 589675397, 684784332, 1179350794, 1769026191, 2358701588, 3538052382, 5307078573, 7076104764, 10614157146, 21228314292]

約数ペア:

[(1, 21228314292), (2, 10614157146), (3, 7076104764), (4, 5307078573), (6, 3538052382), (9, 2358701588), (12, 1769026191), (18, 1179350794), (31, 684784332), (36, 589675397), (62, 342392166), (93, 228261444), (124, 171196083), (149, 142471908), (186, 114130722), (279, 76087148), (298, 71235954), (372, 57065361), (447, 47490636), (558, 38043574), (596, 35617977), (894, 23745318), (1116, 19021787), (1341, 15830212), (1788, 11872659), (2682, 7915106), (4619, 4595868), (5364, 3957553), (9238, 2297934), (13857, 1531956), (18476, 1148967), (27714, 765978), (41571, 510652), (55428, 382989), (83142, 255326), (127663, 166284)]