21108430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 25547570

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 59, 70, 95, 118, 133, 190, 266, 269, 295, 413, 538, 590, 665, 826, 1121, 1330, 1345, 1883, 2065, 2242, 2690, 3766, 4130, 5111, 5605, 7847, 9415, 10222, 11210, 15694, 15871, 18830, 25555, 31742, 35777, 39235, 51110, 71554, 78470, 79355, 111097, 158710, 178885, 222194, 301549, 357770, 555485, 603098, 1110970, 1507745, 2110843, 3015490, 4221686, 10554215, 21108430]

約数ペア:

[(1, 21108430), (2, 10554215), (5, 4221686), (7, 3015490), (10, 2110843), (14, 1507745), (19, 1110970), (35, 603098), (38, 555485), (59, 357770), (70, 301549), (95, 222194), (118, 178885), (133, 158710), (190, 111097), (266, 79355), (269, 78470), (295, 71554), (413, 51110), (538, 39235), (590, 35777), (665, 31742), (826, 25555), (1121, 18830), (1330, 15871), (1345, 15694), (1883, 11210), (2065, 10222), (2242, 9415), (2690, 7847), (3766, 5605), (4130, 5111)]