21215543076

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{25801}}^1$

素因数の和:26082

約数の個数: 144

約数和(自身を含む): 66269443968

約数和(自身を除く): 45053900892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 251, 252, 273, 364, 468, 502, 546, 753, 819, 1004, 1092, 1506, 1638, 1757, 2259, 3012, 3263, 3276, 3514, 4518, 5271, 6526, 7028, 9036, 9789, 10542, 13052, 15813, 19578, 21084, 22841, 25801, 29367, 31626, 39156, 45682, 51602, 58734, 63252, 68523, 77403, 91364, 103204, 117468, 137046, 154806, 180607, 205569, 232209, 274092, 309612, 335413, 361214, 411138, 464418, 541821, 670826, 722428, 822276, 928836, 1006239, 1083642, 1341652, 1625463, 2012478, 2167284, 2347891, 3018717, 3250926, 4024956, 4695782, 6037434, 6476051, 6501852, 7043673, 9391564, 12074868, 12952102, 14087346, 19428153, 21131019, 25904204, 28174692, 38856306, 42262038, 45332357, 58284459, 77712612, 84188663, 84524076, 90664714, 116568918, 135997071, 168377326, 181329428, 233137836, 252565989, 271994142, 336754652, 407991213, 505131978, 543988284, 589320641, 757697967, 815982426, 1010263956, 1178641282, 1515395934, 1631964852, 1767961923, 2357282564, 3030791868, 3535923846, 5303885769, 7071847692, 10607771538, 21215543076]

約数ペア:

[(1, 21215543076), (2, 10607771538), (3, 7071847692), (4, 5303885769), (6, 3535923846), (7, 3030791868), (9, 2357282564), (12, 1767961923), (13, 1631964852), (14, 1515395934), (18, 1178641282), (21, 1010263956), (26, 815982426), (28, 757697967), (36, 589320641), (39, 543988284), (42, 505131978), (52, 407991213), (63, 336754652), (78, 271994142), (84, 252565989), (91, 233137836), (117, 181329428), (126, 168377326), (156, 135997071), (182, 116568918), (234, 90664714), (251, 84524076), (252, 84188663), (273, 77712612), (364, 58284459), (468, 45332357), (502, 42262038), (546, 38856306), (753, 28174692), (819, 25904204), (1004, 21131019), (1092, 19428153), (1506, 14087346), (1638, 12952102), (1757, 12074868), (2259, 9391564), (3012, 7043673), (3263, 6501852), (3276, 6476051), (3514, 6037434), (4518, 4695782), (5271, 4024956), (6526, 3250926), (7028, 3018717), (9036, 2347891), (9789, 2167284), (10542, 2012478), (13052, 1625463), (15813, 1341652), (19578, 1083642), (21084, 1006239), (22841, 928836), (25801, 822276), (29367, 722428), (31626, 670826), (39156, 541821), (45682, 464418), (51602, 411138), (58734, 361214), (63252, 335413), (68523, 309612), (77403, 274092), (91364, 232209), (103204, 205569), (117468, 180607), (137046, 154806)]