21492535240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1\times {\mathrm{1433}}^1$

素因数の和:1927

約数の個数: 128

約数和(自身を含む): 53523763200

約数和(自身を除く): 32031227960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 383, 440, 445, 712, 766, 890, 979, 1433, 1532, 1780, 1915, 1958, 2866, 3064, 3560, 3830, 3916, 4213, 4895, 5732, 7165, 7660, 7832, 8426, 9790, 11464, 14330, 15320, 15763, 16852, 19580, 21065, 28660, 31526, 33704, 34087, 39160, 42130, 57320, 63052, 68174, 78815, 84260, 126104, 127537, 136348, 157630, 168520, 170435, 255074, 272696, 315260, 340870, 374957, 510148, 548839, 630520, 637685, 681740, 749914, 1020296, 1097678, 1275370, 1363480, 1402907, 1499828, 1874785, 2195356, 2550740, 2744195, 2805814, 2999656, 3749570, 4390712, 5101480, 5488390, 5611628, 6037229, 7014535, 7499140, 10976780, 11223256, 12074458, 14029070, 14998280, 21953560, 24148916, 28058140, 30186145, 48297832, 48846671, 56116280, 60372290, 97693342, 120744580, 195386684, 241489160, 244233355, 390773368, 488466710, 537313381, 976933420, 1074626762, 1953866840, 2149253524, 2686566905, 4298507048, 5373133810, 10746267620, 21492535240]

約数ペア:

[(1, 21492535240), (2, 10746267620), (4, 5373133810), (5, 4298507048), (8, 2686566905), (10, 2149253524), (11, 1953866840), (20, 1074626762), (22, 976933420), (40, 537313381), (44, 488466710), (55, 390773368), (88, 244233355), (89, 241489160), (110, 195386684), (178, 120744580), (220, 97693342), (356, 60372290), (383, 56116280), (440, 48846671), (445, 48297832), (712, 30186145), (766, 28058140), (890, 24148916), (979, 21953560), (1433, 14998280), (1532, 14029070), (1780, 12074458), (1915, 11223256), (1958, 10976780), (2866, 7499140), (3064, 7014535), (3560, 6037229), (3830, 5611628), (3916, 5488390), (4213, 5101480), (4895, 4390712), (5732, 3749570), (7165, 2999656), (7660, 2805814), (7832, 2744195), (8426, 2550740), (9790, 2195356), (11464, 1874785), (14330, 1499828), (15320, 1402907), (15763, 1363480), (16852, 1275370), (19580, 1097678), (21065, 1020296), (28660, 749914), (31526, 681740), (33704, 637685), (34087, 630520), (39160, 548839), (42130, 510148), (57320, 374957), (63052, 340870), (68174, 315260), (78815, 272696), (84260, 255074), (126104, 170435), (127537, 168520), (136348, 157630)]