21511710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7243}}^1$

素因数の和:7270

約数の個数: 64

約数和(自身を含む): 62588160

約数和(自身を除く): 41076450

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 270, 297, 330, 495, 594, 990, 1485, 2970, 7243, 14486, 21729, 36215, 43458, 65187, 72430, 79673, 108645, 130374, 159346, 195561, 217290, 239019, 325935, 391122, 398365, 478038, 651870, 717057, 796730, 977805, 1195095, 1434114, 1955610, 2151171, 2390190, 3585285, 4302342, 7170570, 10755855, 21511710]

約数ペア:

[(1, 21511710), (2, 10755855), (3, 7170570), (5, 4302342), (6, 3585285), (9, 2390190), (10, 2151171), (11, 1955610), (15, 1434114), (18, 1195095), (22, 977805), (27, 796730), (30, 717057), (33, 651870), (45, 478038), (54, 398365), (55, 391122), (66, 325935), (90, 239019), (99, 217290), (110, 195561), (135, 159346), (165, 130374), (198, 108645), (270, 79673), (297, 72430), (330, 65187), (495, 43458), (594, 36215), (990, 21729), (1485, 14486), (2970, 7243)]