21283648

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{761}}^1$

素因数の和:815

約数の個数: 56

約数和(自身を含む): 46451520

約数和(自身を除く): 25167872

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 152, 184, 304, 368, 437, 608, 736, 761, 874, 1216, 1472, 1522, 1748, 3044, 3496, 6088, 6992, 12176, 13984, 14459, 17503, 24352, 27968, 28918, 35006, 48704, 57836, 70012, 115672, 140024, 231344, 280048, 332557, 462688, 560096, 665114, 925376, 1120192, 1330228, 2660456, 5320912, 10641824, 21283648]

約数ペア:

[(1, 21283648), (2, 10641824), (4, 5320912), (8, 2660456), (16, 1330228), (19, 1120192), (23, 925376), (32, 665114), (38, 560096), (46, 462688), (64, 332557), (76, 280048), (92, 231344), (152, 140024), (184, 115672), (304, 70012), (368, 57836), (437, 48704), (608, 35006), (736, 28918), (761, 27968), (874, 24352), (1216, 17503), (1472, 14459), (1522, 13984), (1748, 12176), (3044, 6992), (3496, 6088)]