21724296

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 64281600

約数和(自身を除く): 42557304

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 38, 44, 57, 61, 66, 71, 76, 88, 114, 122, 132, 142, 152, 183, 209, 213, 228, 244, 264, 284, 366, 418, 426, 456, 488, 568, 627, 671, 732, 781, 836, 852, 1159, 1254, 1342, 1349, 1464, 1562, 1672, 1704, 2013, 2318, 2343, 2508, 2684, 2698, 3124, 3477, 4026, 4047, 4331, 4636, 4686, 5016, 5368, 5396, 6248, 6954, 8052, 8094, 8662, 9272, 9372, 10792, 12749, 12993, 13908, 14839, 16104, 16188, 17324, 18744, 25498, 25986, 27816, 29678, 32376, 34648, 38247, 44517, 47641, 50996, 51972, 59356, 76494, 82289, 89034, 95282, 101992, 103944, 118712, 142923, 152988, 164578, 178068, 190564, 246867, 285846, 305976, 329156, 356136, 381128, 493734, 571692, 658312, 905179, 987468, 1143384, 1810358, 1974936, 2715537, 3620716, 5431074, 7241432, 10862148, 21724296]

約数ペア:

[(1, 21724296), (2, 10862148), (3, 7241432), (4, 5431074), (6, 3620716), (8, 2715537), (11, 1974936), (12, 1810358), (19, 1143384), (22, 987468), (24, 905179), (33, 658312), (38, 571692), (44, 493734), (57, 381128), (61, 356136), (66, 329156), (71, 305976), (76, 285846), (88, 246867), (114, 190564), (122, 178068), (132, 164578), (142, 152988), (152, 142923), (183, 118712), (209, 103944), (213, 101992), (228, 95282), (244, 89034), (264, 82289), (284, 76494), (366, 59356), (418, 51972), (426, 50996), (456, 47641), (488, 44517), (568, 38247), (627, 34648), (671, 32376), (732, 29678), (781, 27816), (836, 25986), (852, 25498), (1159, 18744), (1254, 17324), (1342, 16188), (1349, 16104), (1464, 14839), (1562, 13908), (1672, 12993), (1704, 12749), (2013, 10792), (2318, 9372), (2343, 9272), (2508, 8662), (2684, 8094), (2698, 8052), (3124, 6954), (3477, 6248), (4026, 5396), (4047, 5368), (4331, 5016), (4636, 4686)]