21349160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4013}}^1$

素因数の和:4050

約数の個数: 64

約数和(自身を含む): 57801600

約数和(自身を除く): 36452440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 4013, 5320, 8026, 16052, 20065, 28091, 32104, 40130, 56182, 76247, 80260, 112364, 140455, 152494, 160520, 224728, 280910, 304988, 381235, 533729, 561820, 609976, 762470, 1067458, 1123640, 1524940, 2134916, 2668645, 3049880, 4269832, 5337290, 10674580, 21349160]

約数ペア:

[(1, 21349160), (2, 10674580), (4, 5337290), (5, 4269832), (7, 3049880), (8, 2668645), (10, 2134916), (14, 1524940), (19, 1123640), (20, 1067458), (28, 762470), (35, 609976), (38, 561820), (40, 533729), (56, 381235), (70, 304988), (76, 280910), (95, 224728), (133, 160520), (140, 152494), (152, 140455), (190, 112364), (266, 80260), (280, 76247), (380, 56182), (532, 40130), (665, 32104), (760, 28091), (1064, 20065), (1330, 16052), (2660, 8026), (4013, 5320)]