21795360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2671}}^1$

素因数の和:2706

約数の個数: 96

約数和(自身を含む): 72721152

約数和(自身を除く): 50925792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2671, 2720, 4080, 5342, 8013, 8160, 10684, 13355, 16026, 21368, 26710, 32052, 40065, 42736, 45407, 53420, 64104, 80130, 85472, 90814, 106840, 128208, 136221, 160260, 181628, 213680, 227035, 256416, 272442, 320520, 363256, 427360, 454070, 544884, 641040, 681105, 726512, 908140, 1089768, 1282080, 1362210, 1453024, 1816280, 2179536, 2724420, 3632560, 4359072, 5448840, 7265120, 10897680, 21795360]

約数ペア:

[(1, 21795360), (2, 10897680), (3, 7265120), (4, 5448840), (5, 4359072), (6, 3632560), (8, 2724420), (10, 2179536), (12, 1816280), (15, 1453024), (16, 1362210), (17, 1282080), (20, 1089768), (24, 908140), (30, 726512), (32, 681105), (34, 641040), (40, 544884), (48, 454070), (51, 427360), (60, 363256), (68, 320520), (80, 272442), (85, 256416), (96, 227035), (102, 213680), (120, 181628), (136, 160260), (160, 136221), (170, 128208), (204, 106840), (240, 90814), (255, 85472), (272, 80130), (340, 64104), (408, 53420), (480, 45407), (510, 42736), (544, 40065), (680, 32052), (816, 26710), (1020, 21368), (1360, 16026), (1632, 13355), (2040, 10684), (2671, 8160), (2720, 8013), (4080, 5342)]