21479850

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{2273}}^1$

素因数の和:2301

約数の個数: 96

約数和(自身を含む): 67674240

約数和(自身を除く): 46194390

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 90, 105, 126, 135, 150, 175, 189, 210, 225, 270, 315, 350, 378, 450, 525, 630, 675, 945, 1050, 1350, 1575, 1890, 2273, 3150, 4546, 4725, 6819, 9450, 11365, 13638, 15911, 20457, 22730, 31822, 34095, 40914, 47733, 56825, 61371, 68190, 79555, 95466, 102285, 113650, 122742, 143199, 159110, 170475, 204570, 238665, 286398, 306855, 340950, 397775, 429597, 477330, 511425, 613710, 715995, 795550, 859194, 1022850, 1193325, 1431990, 1534275, 2147985, 2386650, 3068550, 3579975, 4295970, 7159950, 10739925, 21479850]

約数ペア:

[(1, 21479850), (2, 10739925), (3, 7159950), (5, 4295970), (6, 3579975), (7, 3068550), (9, 2386650), (10, 2147985), (14, 1534275), (15, 1431990), (18, 1193325), (21, 1022850), (25, 859194), (27, 795550), (30, 715995), (35, 613710), (42, 511425), (45, 477330), (50, 429597), (54, 397775), (63, 340950), (70, 306855), (75, 286398), (90, 238665), (105, 204570), (126, 170475), (135, 159110), (150, 143199), (175, 122742), (189, 113650), (210, 102285), (225, 95466), (270, 79555), (315, 68190), (350, 61371), (378, 56825), (450, 47733), (525, 40914), (630, 34095), (675, 31822), (945, 22730), (1050, 20457), (1350, 15911), (1575, 13638), (1890, 11365), (2273, 9450), (3150, 6819), (4546, 4725)]