21300280152

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1\times {\mathrm{63589}}^1$

素因数の和:64436

約数の個数: 64

約数和(自身を含む): 56452658400

約数和(自身を除く): 35152378248

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 821, 1642, 2463, 3284, 4926, 6568, 9852, 13957, 19704, 27914, 41871, 55828, 63589, 83742, 111656, 127178, 167484, 190767, 254356, 334968, 381534, 508712, 763068, 1081013, 1526136, 2162026, 3243039, 4324052, 6486078, 8648104, 12972156, 25944312, 52206569, 104413138, 156619707, 208826276, 313239414, 417652552, 626478828, 887511673, 1252957656, 1775023346, 2662535019, 3550046692, 5325070038, 7100093384, 10650140076, 21300280152]

約数ペア:

[(1, 21300280152), (2, 10650140076), (3, 7100093384), (4, 5325070038), (6, 3550046692), (8, 2662535019), (12, 1775023346), (17, 1252957656), (24, 887511673), (34, 626478828), (51, 417652552), (68, 313239414), (102, 208826276), (136, 156619707), (204, 104413138), (408, 52206569), (821, 25944312), (1642, 12972156), (2463, 8648104), (3284, 6486078), (4926, 4324052), (6568, 3243039), (9852, 2162026), (13957, 1526136), (19704, 1081013), (27914, 763068), (41871, 508712), (55828, 381534), (63589, 334968), (83742, 254356), (111656, 190767), (127178, 167484)]