21203052

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{683}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 53625600

約数和(自身を除く): 32422548

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 199, 398, 597, 683, 796, 1194, 1366, 2049, 2388, 2587, 2732, 4098, 5174, 7761, 8196, 8879, 10348, 15522, 17758, 26637, 31044, 35516, 53274, 106548, 135917, 271834, 407751, 543668, 815502, 1631004, 1766921, 3533842, 5300763, 7067684, 10601526, 21203052]

約数ペア:

[(1, 21203052), (2, 10601526), (3, 7067684), (4, 5300763), (6, 3533842), (12, 1766921), (13, 1631004), (26, 815502), (39, 543668), (52, 407751), (78, 271834), (156, 135917), (199, 106548), (398, 53274), (597, 35516), (683, 31044), (796, 26637), (1194, 17758), (1366, 15522), (2049, 10348), (2388, 8879), (2587, 8196), (2732, 7761), (4098, 5174)]