21266751750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{4789}}^1$

素因数の和:5031

約数の個数: 128

約数和(自身を含む): 55092510720

約数和(自身を除く): 33825758970

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 125, 150, 155, 186, 191, 250, 310, 375, 382, 465, 573, 750, 775, 930, 955, 1146, 1550, 1910, 2325, 2865, 3875, 4650, 4775, 4789, 5730, 5921, 7750, 9550, 9578, 11625, 11842, 14325, 14367, 17763, 23250, 23875, 23945, 28650, 28734, 29605, 35526, 47750, 47890, 59210, 71625, 71835, 88815, 119725, 143250, 143670, 148025, 148459, 177630, 239450, 296050, 296918, 359175, 444075, 445377, 598625, 718350, 740125, 742295, 888150, 890754, 914699, 1197250, 1480250, 1484590, 1795875, 1829398, 2220375, 2226885, 2744097, 3591750, 3711475, 4440750, 4453770, 4573495, 5488194, 7422950, 9146990, 11134425, 13720485, 18557375, 22268850, 22867475, 27440970, 28355669, 37114750, 45734950, 55672125, 56711338, 68602425, 85067007, 111344250, 114337375, 137204850, 141778345, 170134014, 228674750, 283556690, 343012125, 425335035, 686024250, 708891725, 850670070, 1417783450, 2126675175, 3544458625, 4253350350, 7088917250, 10633375875, 21266751750]

約数ペア:

[(1, 21266751750), (2, 10633375875), (3, 7088917250), (5, 4253350350), (6, 3544458625), (10, 2126675175), (15, 1417783450), (25, 850670070), (30, 708891725), (31, 686024250), (50, 425335035), (62, 343012125), (75, 283556690), (93, 228674750), (125, 170134014), (150, 141778345), (155, 137204850), (186, 114337375), (191, 111344250), (250, 85067007), (310, 68602425), (375, 56711338), (382, 55672125), (465, 45734950), (573, 37114750), (750, 28355669), (775, 27440970), (930, 22867475), (955, 22268850), (1146, 18557375), (1550, 13720485), (1910, 11134425), (2325, 9146990), (2865, 7422950), (3875, 5488194), (4650, 4573495), (4775, 4453770), (4789, 4440750), (5730, 3711475), (5921, 3591750), (7750, 2744097), (9550, 2226885), (9578, 2220375), (11625, 1829398), (11842, 1795875), (14325, 1484590), (14367, 1480250), (17763, 1197250), (23250, 914699), (23875, 890754), (23945, 888150), (28650, 742295), (28734, 740125), (29605, 718350), (35526, 598625), (47750, 445377), (47890, 444075), (59210, 359175), (71625, 296918), (71835, 296050), (88815, 239450), (119725, 177630), (143250, 148459), (143670, 148025)]