21612459780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{10159}}^1$

素因数の和:10450

約数の個数: 144

約数和(自身を含む): 67100866560

約数和(自身を除く): 45488406780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 223, 265, 318, 446, 477, 530, 636, 669, 795, 892, 954, 1060, 1115, 1338, 1590, 1908, 2007, 2230, 2385, 2676, 3180, 3345, 4014, 4460, 4770, 6690, 8028, 9540, 10035, 10159, 11819, 13380, 20070, 20318, 23638, 30477, 35457, 40140, 40636, 47276, 50795, 59095, 60954, 70914, 91431, 101590, 106371, 118190, 121908, 141828, 152385, 177285, 182862, 203180, 212742, 236380, 304770, 354570, 365724, 425484, 457155, 531855, 538427, 609540, 709140, 914310, 1063710, 1076854, 1615281, 1828620, 2127420, 2153708, 2265457, 2692135, 3230562, 4530914, 4845843, 5384270, 6461124, 6796371, 8076405, 9061828, 9691686, 10768540, 11327285, 13592742, 16152810, 19383372, 20389113, 22654570, 24229215, 27185484, 32305620, 33981855, 40778226, 45309140, 48458430, 67963710, 81556452, 96916860, 101945565, 120069221, 135927420, 203891130, 240138442, 360207663, 407782260, 480276884, 600346105, 720415326, 1080622989, 1200692210, 1440830652, 1801038315, 2161245978, 2401384420, 3602076630, 4322491956, 5403114945, 7204153260, 10806229890, 21612459780]

約数ペア:

[(1, 21612459780), (2, 10806229890), (3, 7204153260), (4, 5403114945), (5, 4322491956), (6, 3602076630), (9, 2401384420), (10, 2161245978), (12, 1801038315), (15, 1440830652), (18, 1200692210), (20, 1080622989), (30, 720415326), (36, 600346105), (45, 480276884), (53, 407782260), (60, 360207663), (90, 240138442), (106, 203891130), (159, 135927420), (180, 120069221), (212, 101945565), (223, 96916860), (265, 81556452), (318, 67963710), (446, 48458430), (477, 45309140), (530, 40778226), (636, 33981855), (669, 32305620), (795, 27185484), (892, 24229215), (954, 22654570), (1060, 20389113), (1115, 19383372), (1338, 16152810), (1590, 13592742), (1908, 11327285), (2007, 10768540), (2230, 9691686), (2385, 9061828), (2676, 8076405), (3180, 6796371), (3345, 6461124), (4014, 5384270), (4460, 4845843), (4770, 4530914), (6690, 3230562), (8028, 2692135), (9540, 2265457), (10035, 2153708), (10159, 2127420), (11819, 1828620), (13380, 1615281), (20070, 1076854), (20318, 1063710), (23638, 914310), (30477, 709140), (35457, 609540), (40140, 538427), (40636, 531855), (47276, 457155), (50795, 425484), (59095, 365724), (60954, 354570), (70914, 304770), (91431, 236380), (101590, 212742), (106371, 203180), (118190, 182862), (121908, 177285), (141828, 152385)]