21962388

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:973

約数の個数: 72

約数和(自身を含む): 61133184

約数和(自身を除く): 39170796

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 49, 82, 84, 98, 123, 147, 164, 196, 246, 287, 294, 492, 574, 588, 861, 911, 1148, 1722, 1822, 2009, 2733, 3444, 3644, 4018, 5466, 6027, 6377, 8036, 10932, 12054, 12754, 19131, 24108, 25508, 37351, 38262, 44639, 74702, 76524, 89278, 112053, 133917, 149404, 178556, 224106, 261457, 267834, 448212, 522914, 535668, 784371, 1045828, 1568742, 1830199, 3137484, 3660398, 5490597, 7320796, 10981194, 21962388]

約数ペア:

[(1, 21962388), (2, 10981194), (3, 7320796), (4, 5490597), (6, 3660398), (7, 3137484), (12, 1830199), (14, 1568742), (21, 1045828), (28, 784371), (41, 535668), (42, 522914), (49, 448212), (82, 267834), (84, 261457), (98, 224106), (123, 178556), (147, 149404), (164, 133917), (196, 112053), (246, 89278), (287, 76524), (294, 74702), (492, 44639), (574, 38262), (588, 37351), (861, 25508), (911, 24108), (1148, 19131), (1722, 12754), (1822, 12054), (2009, 10932), (2733, 8036), (3444, 6377), (3644, 6027), (4018, 5466)]