21302358

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{941}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 54259200

約数和(自身を除く): 32956842

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 98, 147, 154, 231, 294, 343, 462, 539, 686, 941, 1029, 1078, 1617, 1882, 2058, 2823, 3234, 3773, 5646, 6587, 7546, 10351, 11319, 13174, 19761, 20702, 22638, 31053, 39522, 46109, 62106, 72457, 92218, 138327, 144914, 217371, 276654, 322763, 434742, 507199, 645526, 968289, 1014398, 1521597, 1936578, 3043194, 3550393, 7100786, 10651179, 21302358]

約数ペア:

[(1, 21302358), (2, 10651179), (3, 7100786), (6, 3550393), (7, 3043194), (11, 1936578), (14, 1521597), (21, 1014398), (22, 968289), (33, 645526), (42, 507199), (49, 434742), (66, 322763), (77, 276654), (98, 217371), (147, 144914), (154, 138327), (231, 92218), (294, 72457), (343, 62106), (462, 46109), (539, 39522), (686, 31053), (941, 22638), (1029, 20702), (1078, 19761), (1617, 13174), (1882, 11319), (2058, 10351), (2823, 7546), (3234, 6587), (3773, 5646)]