21584696

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 51710400

約数和(自身を除く): 30125704

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 41, 49, 56, 68, 79, 82, 98, 119, 136, 158, 164, 196, 238, 287, 316, 328, 392, 476, 553, 574, 632, 697, 833, 952, 1106, 1148, 1343, 1394, 1666, 2009, 2212, 2296, 2686, 2788, 3239, 3332, 3871, 4018, 4424, 4879, 5372, 5576, 6478, 6664, 7742, 8036, 9401, 9758, 10744, 12956, 15484, 16072, 18802, 19516, 22673, 25912, 30968, 34153, 37604, 39032, 45346, 55063, 65807, 68306, 75208, 90692, 110126, 131614, 136612, 158711, 181384, 220252, 263228, 273224, 317422, 385441, 440504, 526456, 634844, 770882, 1269688, 1541764, 2698087, 3083528, 5396174, 10792348, 21584696]

約数ペア:

[(1, 21584696), (2, 10792348), (4, 5396174), (7, 3083528), (8, 2698087), (14, 1541764), (17, 1269688), (28, 770882), (34, 634844), (41, 526456), (49, 440504), (56, 385441), (68, 317422), (79, 273224), (82, 263228), (98, 220252), (119, 181384), (136, 158711), (158, 136612), (164, 131614), (196, 110126), (238, 90692), (287, 75208), (316, 68306), (328, 65807), (392, 55063), (476, 45346), (553, 39032), (574, 37604), (632, 34153), (697, 30968), (833, 25912), (952, 22673), (1106, 19516), (1148, 18802), (1343, 16072), (1394, 15484), (1666, 12956), (2009, 10744), (2212, 9758), (2296, 9401), (2686, 8036), (2788, 7742), (3239, 6664), (3332, 6478), (3871, 5576), (4018, 5372), (4424, 4879)]