21434850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:169

約数の個数: 144

約数和(自身を含む): 63835200

約数和(自身を除く): 42400350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 23, 25, 30, 38, 45, 46, 50, 57, 69, 75, 90, 95, 109, 114, 115, 138, 150, 171, 190, 207, 218, 225, 230, 285, 327, 342, 345, 414, 437, 450, 475, 545, 570, 575, 654, 690, 855, 874, 950, 981, 1035, 1090, 1150, 1311, 1425, 1635, 1710, 1725, 1962, 2070, 2071, 2185, 2507, 2622, 2725, 2850, 3270, 3450, 3933, 4142, 4275, 4370, 4905, 5014, 5175, 5450, 6213, 6555, 7521, 7866, 8175, 8550, 9810, 10350, 10355, 10925, 12426, 12535, 13110, 15042, 16350, 18639, 19665, 20710, 21850, 22563, 24525, 25070, 31065, 32775, 37278, 37605, 39330, 45126, 47633, 49050, 51775, 62130, 62675, 65550, 75210, 93195, 95266, 98325, 103550, 112815, 125350, 142899, 155325, 186390, 188025, 196650, 225630, 238165, 285798, 310650, 376050, 428697, 465975, 476330, 564075, 714495, 857394, 931950, 1128150, 1190825, 1428990, 2143485, 2381650, 3572475, 4286970, 7144950, 10717425, 21434850]

約数ペア:

[(1, 21434850), (2, 10717425), (3, 7144950), (5, 4286970), (6, 3572475), (9, 2381650), (10, 2143485), (15, 1428990), (18, 1190825), (19, 1128150), (23, 931950), (25, 857394), (30, 714495), (38, 564075), (45, 476330), (46, 465975), (50, 428697), (57, 376050), (69, 310650), (75, 285798), (90, 238165), (95, 225630), (109, 196650), (114, 188025), (115, 186390), (138, 155325), (150, 142899), (171, 125350), (190, 112815), (207, 103550), (218, 98325), (225, 95266), (230, 93195), (285, 75210), (327, 65550), (342, 62675), (345, 62130), (414, 51775), (437, 49050), (450, 47633), (475, 45126), (545, 39330), (570, 37605), (575, 37278), (654, 32775), (690, 31065), (855, 25070), (874, 24525), (950, 22563), (981, 21850), (1035, 20710), (1090, 19665), (1150, 18639), (1311, 16350), (1425, 15042), (1635, 13110), (1710, 12535), (1725, 12426), (1962, 10925), (2070, 10355), (2071, 10350), (2185, 9810), (2507, 8550), (2622, 8175), (2725, 7866), (2850, 7521), (3270, 6555), (3450, 6213), (3933, 5450), (4142, 5175), (4275, 5014), (4370, 4905)]