21958974

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 53913600

約数和(自身を除く): 31954626

約数列:

[1, 2, 3, 6, 9, 18, 23, 29, 31, 46, 58, 59, 62, 69, 87, 93, 118, 138, 174, 177, 186, 207, 261, 279, 354, 414, 522, 531, 558, 667, 713, 899, 1062, 1334, 1357, 1426, 1711, 1798, 1829, 2001, 2139, 2697, 2714, 3422, 3658, 4002, 4071, 4278, 5133, 5394, 5487, 6003, 6417, 8091, 8142, 10266, 10974, 12006, 12213, 12834, 15399, 16182, 16461, 20677, 24426, 30798, 32922, 39353, 41354, 42067, 53041, 62031, 78706, 84134, 106082, 118059, 124062, 126201, 159123, 186093, 236118, 252402, 318246, 354177, 372186, 378603, 477369, 708354, 757206, 954738, 1219943, 2439886, 3659829, 7319658, 10979487, 21958974]

約数ペア:

[(1, 21958974), (2, 10979487), (3, 7319658), (6, 3659829), (9, 2439886), (18, 1219943), (23, 954738), (29, 757206), (31, 708354), (46, 477369), (58, 378603), (59, 372186), (62, 354177), (69, 318246), (87, 252402), (93, 236118), (118, 186093), (138, 159123), (174, 126201), (177, 124062), (186, 118059), (207, 106082), (261, 84134), (279, 78706), (354, 62031), (414, 53041), (522, 42067), (531, 41354), (558, 39353), (667, 32922), (713, 30798), (899, 24426), (1062, 20677), (1334, 16461), (1357, 16182), (1426, 15399), (1711, 12834), (1798, 12213), (1829, 12006), (2001, 10974), (2139, 10266), (2697, 8142), (2714, 8091), (3422, 6417), (3658, 6003), (4002, 5487), (4071, 5394), (4278, 5133)]